Another GAS fix-up and some commentary...
authorAndy Polyakov <appro@openssl.org>
Sat, 4 Jan 2003 14:41:09 +0000 (14:41 +0000)
committerAndy Polyakov <appro@openssl.org>
Sat, 4 Jan 2003 14:41:09 +0000 (14:41 +0000)
crypto/des/asm/des_enc.m4

index fce6d6b..8360326 100644 (file)
@@ -1433,14 +1433,30 @@ DES_decrypt3:
        add     out0,%o7,out0                   ! pointer to .PIC.me.up
 
 #ifdef OPENSSL_PIC
+       ! In case anybody wonders why this code is same for both ABI.
+       ! To start with it's not. Do note LDPTR below. But of course
+       ! you must be wondering why the rest of it doesn't contain
+       ! things like %hh, %hm and %lm. Well, those are needed only
+       ! if OpenSSL library *itself* will become larger than 4GB,
+       ! which is not going to happen any time soon. 
        sethi   %hi(DES_SPtrans),global1
        or      global1,%lo(DES_SPtrans),global1
        sethi   %hi(_GLOBAL_OFFSET_TABLE_-(.PIC.me.up-.)),out2
        add     global1,out0,global1
        add     out2,%lo(_GLOBAL_OFFSET_TABLE_-(.PIC.me.up-.)),out2
        LDPTR   [out2+global1],global1
-#else
+#elif 0
        setn    DES_SPtrans,out2,global1        ! synthetic instruction !
+#elif defined(ABI64)
+       sethi   %hh(DES_SPtrans),out2
+       or      out2,%hm(DES_SPtrans),out2
+       sethi   %lm(DES_SPtrans),global1
+       or      global1,%lo(DES_SPtrans),global1
+       sllx    out2,32,out2
+       or      out2,global1,global1
+#else
+       sethi   %hi(DES_SPtrans),global1
+       or      global1,%lo(DES_SPtrans),global1
 #endif
 
        retl